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Move the rudder stick left and right to check yaw control. When the stick is pushed to
the right the rudder should also move to the right.
With the rudder stick pushed to the left, the rudder should move to the left.
If at any time during the test the controls respond in the opposite direction, it may
be necessary to reverse/change the direction of operation of the flight controls.
Follow the Reversing Flight Controls section to change the direction of the various
flight controls.
Once you’ve reconfirmed the flight control directions, all controls should be
functioning properly. However, if you continue to encounter any problems with your
4-Site responding properly to the transmitter, do not fly. Call the Horizon Support
Team at 1-877-504-0233.
Control Centering
In the event of an accident or before first flight, you should check to make sure that
the flight control surfaces are centered. It is much better to do this mechanically due
to the mechanical limits of linear servos.
1. Make sure that all of your sub-trims are at 0 and your transmitter trims
are centered.
2. Check to see if any of the flight control surfaces are not centered.
3. If the surface is not centered, use a pair of pliers and carefully lengthen or shorten
the pushrod of that surface by bending the U shape in the pushrod.
Summary of Contents for EFL9080
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